| 000 | 00322nam a22001217a 4500 | ||
|---|---|---|---|
| 082 |
_a517.38 _bYAN.D |
||
| 100 | _aElsgolts, L | ||
| 245 |
_aDifferential equations and the calculus of variations / _cby l Elsgolts |
||
| 260 |
_aMoscow : _bMir publishers, _c1970. |
||
| 300 | _a146p. : | ||
| 650 | _aMathematics | ||
| 942 | _cBK | ||
| 999 |
_c327919 _d327919 |
||